Vikram Karnani - 22 Dec 2025 Form 4 Insider Report for Dyne Therapeutics, Inc. (DYN)

Role
Director
Signature
/s/ Ron Caponigro, Attorney-in-Fact
Issuer symbol
DYN
Transactions as of
22 Dec 2025
Net transactions value
$0
Form type
4
Filing time
23 Dec 2025, 16:08:03 UTC
Previous filing
14 Nov 2025
Next filing
12 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Karnani Vikram Director 1560 TRAPELO ROAD, WALTHAM /s/ Ron Caponigro, Attorney-in-Fact 23 Dec 2025 0001699488

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction DYN Stock option (right to buy) Award $0 +59,665 $0.000000 59,665 22 Dec 2025 Common Stock 59,665 $20.78 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The option was granted on December 22, 2025. The shares underlying the option are scheduled to vest over three years in equal monthly installments through December 22, 2028.